YouTube® as a source of information for Spanish-speaking patients with rheumatoid arthritis Julián E. Barahona-Correa; Camilo Rueda-Ortiz; Oscar Muñoz; Ángel Alberto García; Daniel G. Fernández-Ávila;

Association between hypothyroidism and elderly-onset rheumatoid arthritis: A cross-sectional study at national hospital in Peru Paul J. Tejada-Llacsa; Vidia Lumbe Diaz; Carlos Diaz-Arocutipa;

Survival of first line biological and targeted synthetic disease-modifying anti-rheumatic drugs in patients with rheumatoid arthritis in Chile Marcos Cruces Olivar; Allan D. Burboa; Yolanda M. Gómez;